AD 2011-07-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc. Model CL-600-2B19 (Regional Jet Series 100 & 440) Airplanes |
Unsafe Condition
The FAA is correcting an airworthiness directive (AD) that published in the Federal Register. That AD applies to the products listed above. The service information reference in paragraph (g)(7) in the Actions section of the AD is incorrect. This document corrects that error. In all other respects, the original document remains the same.
Required Actions
Replace certain data concentrator units (DCUs) with modified DCUs. Modify configuration strapping units, install outboard low-heat detection switches and wing A/ICE box assembly with associated wires, and activate the outboard low-heat detection switches. Revise the airplane flight manual and maintenance program as specified.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Bombardier, Inc. Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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